A University of Alberta-led research team has discovered that insects that bore into trees as long ago 90 million years, or as recently as last summer, leave a calling card that's rich with ...

Scientists have discovered that insects that bore into trees as long ago as 90 million years, or as recently as last summer, leave a calling card that's rich with information. A University of ...

SOME 50 million years ago, an ant was foraging on a tree trunk growing on what is now the Baltic coast of Russia. A trickle of resin oozing from the tree trapped the insect, killing it and sealing it ...